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प्रश्न
Answer in one sentence/ word.
Write the name of the electrophile used in Kolbe’s Reaction.
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उत्तर
Carbon dioxide
संबंधित प्रश्न
Answer in brief.
Explain why phenol is more acidic than ethyl alcohol.
Give the reagents and conditions necessary to prepare phenol from Chlorobenzene.
Answer in brief.
Give the reagents and conditions necessary to prepare phenol from Benzene sulfonic acid.
Answer in brief.
Explain why p-nitrophenol is a stronger acid than phenol.
Draw intramolecular hydrogen bonding structure in o-nitrophenol.
Write Kolbe’s reaction.
Phenol reacts with concentrated nitric acid in the presence of cone. H2SO4 to form ____________.
Which alcohol is difficult to oxidise?
Propane when treated with cold cone. H2SO4 forms a compound which on heating with water gives ______.
The number of isomeric alcohols possible with the formula C4H10O is ____________.
+I effect of alkyl groups in alcohols increases the stability of ____________.
Which of the following is INCORRECT regarding phenol?
Identify reagents X, Y and Z.
Which of the following reagents is used to convert phenol to benzene?
The number of σ bonds in carbolic acid is ______.
Which among the following is allylic secondary alcohol?
Which of the following compounds does NOT react with sodium metal?
Identify 'Z' in the following series of reaction:
\[\ce{Butan - 2 - ol ->[PCl3] X ->[alco. KOH] Y ->[i) H2SO4][ii) H-OH/heat] Z}\]
Identify the alcohol that reacts immediately with Lucas reagent?
A reaction of phenol with chloroform in presence of sodium hydroxide to form salicylaldehyde is known as ____________.
Identify the product X in the following reaction.
\[\ce{Phenol ->[Na2Cr2O7][H2SO4] X}\]
Amongst the following alcohols which would react fastest with cone. HCl and ZnCl2?
What is the product formed when aniline is treated with \[\ce{NaNO2 + HCl}\] previous to hydrolysis?
What is the product obtained in Reimer - Tiemann reaction?
Arrange the following compounds in an increasing order of their solubility in water:
Explain the reaction of 1° and 2° alcohol with oxidising agent chromic anhydride (CrO3).
Write the chemical reaction when hot copper is treated with Vapours of 1° (primary) alcohol.
